Implement a skeleton version of Expect CT reports

chrome/browser/ssl/chrome_expect_ct_reporter.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_SSL_CHROME_EXPECT_CT_REPORTER_H_
+#define CHROME_BROWSER_SSL_CHROME_EXPECT_CT_REPORTER_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "net/http/transport_security_state.h"
+
+namespace net {
+class CertificateReportSender;
+class URLRequestContext;
+}  // namespace net
+
+// This class monitors for violations of CT policy and sends reports
+// about failures for sites that have opted in.

[mmenke, 2016/03/07 18:28:08]

Mention it must be deleted before the URLRequestContext, so it can cancel its
requests?

[estark, 2016/03/08 02:36:06]

Done.

+class ChromeExpectCTReporter
+    : public net::TransportSecurityState::ExpectCTReporter {
+ public:
+  explicit ChromeExpectCTReporter(net::URLRequestContext* request_context);
+  ~ChromeExpectCTReporter() override;
+
+  // net::ExpectCTReporter:
+  void OnExpectCTFailed(const net::HostPortPair& host_port_pair,
+                        const GURL& report_uri,
+                        const net::SSLInfo& ssl_info) override;
+
+ private:
+  scoped_ptr<net::CertificateReportSender> report_sender_;
+  DISALLOW_COPY_AND_ASSIGN(ChromeExpectCTReporter);

[mmenke, 2016/03/07 18:28:08]

nit:  Blank line before DISALLOW_COPY_AND_ASSIGN(ChromeExpectCTReporter);

[estark, 2016/03/08 02:36:06]

Done.

+};
+
+#endif  // CHROME_BROWSER_SSL_CHROME_EXPECT_CT_REPORTER_H_